Hawaii Administrative Rules
Title 12 - DEPARTMENT OF LABOR AND INDUSTRIAL RELATIONS
Subtitle 8 - HAWAII OCCUPATIONAL SAFETY AND HEALTH DIVISION
Part 10 - BOILER AND PRESSURE VESSEL
Chapter 224.1 - PRESSURE VESSELS
Section 12-224.1-1 - Scope

Universal Citation: HI Admin Rules 12-224.1-1

Current through August, 2024

The requirements in this section shall apply to pressure vessels, except for the exemptions in section 12-220-2.1 (c)(3) and (4), and is not limited to the following:

(1) All unfired pressure vessels with design pressure exceeding fifteen (15) psi or five (5) cubic feet in volume;

(2) Hot water storage tanks with a nominal water containing capacity greater than 120 gallons;

(3) Unfired autoclaves greater than five (5) cubic feet in volume regardless of operating pressure;

(4) Fired or self-contained sterilizers, jacketed kettles, steam cookers, and autoclaves exceeding a heat input of three (3.0) kw or a volume of one and a half (1.5) cubic feet;

(5) Unfired jacketed kettles with a cooking capacity of forty (40) gallons or more;

(6) Heat exchangers with a heat input exceeding 200,000 Btu/H or five (5) cubic feet in volume;

(7) Hydro pneumatic tanks exceeding one hundred twenty 120 gallons in volume;

(8) Expansion tanks exceeding five (5) cubic feet in volume for hot water heating system; and

(9) Pressure Vessels for Human Occupancy (PVHOs).

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